fix: gate foot_clearance_reward by command and body movement to avoid rewarding standing still#80

NeoZng wants to merge 2 commits intounitreerobotics:mainunitreerobotics/unitree_rl_lab:mainfrom

NeoZng:fix/foot-clearance-standstillNeoZng/unitree_rl_lab:fix/foot-clearance-standstillCopy head branch name to clipboard